Работа с функцией FindFirstFile (API)

//********************//
HANDLE file,mfile,hFile;
DWORD dw=0,dwBytes=0, BufSize=0;
char *str1 = new char[BufSize];
char *str2 = new char[BufSize];
WIN32_FIND_DATA wfd;
//********************//
 
bool CheckMasterFile()
{
    mfile = CreateFile(TEXT("D:\\new\\list.txt"), GENERIC_READ | GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_FLAG_RANDOM_ACCESS,NULL);
    if (mfile == INVALID_HANDLE_VALUE)
    {
        cout<<"***Error opening chifer file***"<<endl<<endl;
        return false;
    }
    else
    {
        cout<<"***File is opened correct***"<<endl<<endl;
        return true;
    }
    CloseHandle(mfile);
}
void RdFile()
{
    hFile=CreateFile(TEXT("D:\\new\\list.txt"),
        GENERIC_READ, FILE_SHARE_READ,
        NULL, OPEN_EXISTING,
        FILE_ATTRIBUTE_NORMAL,NULL);
        
        BufSize = GetFileSize(hFile, NULL);
        char *Buffer = new char[BufSize/sizeof(char)];
        ReadFile(hFile,Buffer,BufSize,&dwBytes,NULL);
        Buffer[BufSize/sizeof(char)]='\0';
        cout<<"Buffer: "<<endl<<Buffer<<endl;
        str2 = Buffer;
}
 
int main (int argc, LPTSTR argv [])
{
    bool temp = CheckMasterFile();
    CloseHandle(mfile);
    
    if (temp)
    {
        RdFile();
        cout<<endl;
    }
 
    file = FindFirstFile(str2, &wfd);
    if (file == INVALID_HANDLE_VALUE)
    {   
        cout<<"FindFirstFile failed, error "<<GetLastError()<<endl;
        system ("PAUSE");
        return 1;
    }
    else
        cout<<"File is opened correct"<<endl;
    FindClose(file);

#include "stdafx.h"
#include <conio.h>
#include <iostream>
#include "windows.h"
//#include <fileapi.h>
//#include <minwinbase.h>
#include <iomanip>
#include <tlhelp32.h>
using std::cout;
using std::endl;
using std::cin;
 
int _tmain(int argc, _TCHAR* argv[]){setlocale(0,"");
HANDLE Process_[4]={};//
cout<<"error0 "<<GetLastError()<<endl;
WIN32_FIND_DATAA FIND_DATAA;
Process_[2]=FindFirstFileA("\\Windows",&FIND_DATAA);//Windows* так тоже дескриптор открывается
cout<<Process_[2]<<" error1 "<<GetLastError()<<endl;
 
_getch();
return 0;
}